Wedge bolt



y 1940- R. v. JOHNSON 2,200,174

WEDGE BOLT Filed Sept. 2, 1938 Rz'cka/ d VIJbIzmarz INVITNI'OR. B Y W which can be placed in position or removed from of the wedge and bolt 8 extends through this Patented May 7, 1940 I Q UNITED STATES PATENT OFFICE Richard Valentine Johnson, Clifton Forge, Va. Application September 2, 1938, Serial No. 228,245

2 Claims. (01. 105-81) This invention relates to a wedge bolt debe rotated to bring it into position transversely signed primarily'for use in connection with the I of the opening and as shown in Figures 1, 2 and 4:. driving box of a locomotive, one of the objects The pedestal brace 3 is formed with a slot l2 being to provide an interchangeable wedge. bolt extending therethrough under the slotted end position without the necessity of dismantling the slot along one end wall thereof. The remaining structure in which the driving box is located and portion of the slot is filled with a wedge l3 fitwithout removing the wedge. I {Zing snugly therein and extending from top to A further object is to'provide an interchangebottom of the. brace 3, thiswedge being shaped able wedge bolt which, after being placed in 130- at one side so as to snugly embrace the adjacent sition, will be held securely against accidental portion of bolt 8. The wedge-is also provided ispl c men with an integral key It adapted to project into With the foregoi' g and other objects in view groove 9. V which will appear as'the description preceeds, A retaining plate I5 is pivotally mounted on the invention consists of certain novel details one of the bolts G'and has an arcuate slot 16 exof construction andcombinations of parts here tending thereinto from one side. This slot s so inafter more fully described and pointed out in located that When the retaining plate is swun the claims, it being understoodthat changes may into position beneath and parallel with the brace be made in the construction and arrangement 3, the bolt 9 will be received within the. slot.

of parts without departing from the spirit of When the plate is thus located, as shown for ex- 20 the invention as claimed. ample in Figure 3, the, wedge 93 will be" supvIn the accompanying drawing the preferred ported thereby so that it cannot drop out of its form of the invention has-been shown. slot l2. Plate Hi can be held in retaining posi- In said drawing: tion in any suitable manner. For example it Figure 1 is a view partly in elevation and may be formed with an offset 11 providing a repartly in section showing the interchangeable cess for the reception of a node projecting from wedge bolt in position. brace 3.

Figure 2 is a section on the line 2- 2, Figure 1. A yoke I8 is located under brace 3 and is held Figure 3 is a section on line 3-3, Figure 1. in position at its ends by the bolts 4. The mid- Figure 4 is'a section on line 4-'-4,Figure 1. dle portion of this yoke is spaced from brace Figure 5 is a section on line 5-5, Figure l. 3 and has an opening l9 adapted to receive bolt Referring to the figures by characters of ref- 8. Nuts 20 engage the bolt and are positioned to erence I designates a portion of the underirame clamp upon opposed faces of yoke 48 so as thus of a locomotive, the same being provided with to lock the bolt against longitudinal movement the-usual pedestals 2 connected at their lower after it has once been adjusted. ends by a pedestal brace or binder '3. These are When it is desired to assemble the Wedge bolt of standard construction, the brace being held with the wedge 5, it is not necessary to take apart to the pedestals by the usual bolts 4. the adjacent locomotive structure. It is merely The wedge has been indicated at 5 and difiers necessary to remove the yoke l8 and swing the from other wedges in that it is provided at its retaining plate l5 laterally from under slot I2. 40

lower orlarge end with a. substantially circular The key It in the slot is then removed downopening 6 extending entirely through it and lowardly after which the bolt 8, with the upper cated at the upper end of a slot 1 which extends nut 25! in position thereon, is inserted head first through the bottom of the wedge. upwardly through the slot I2 and slot 1 until The wedge bolt has been indicated at 8 and is the head l0 arrives within the opening 6. The

formed with a longitudinal keyway which can be nut is then given a one-quarter turn so as to in the form of a groove 9. This bolt has a subbring the head into position transversely of stantially circular head l0 provided with 09- opening 6. Thereafter key I3 is inserted into slot posed fl faces, the diameterof the head bein i2 so that the rib or pin 14 will be within the such that it can be Seated Within e opening groove or channel 9. This will hold the bolt 6 while the threaded stem portion of the bolt is against rotation relative to the wedge 5. Supseated in the slot 1. Opposed faces of the head porting plate I5 is then swung into position under ID are rounded at oppositesides respectively, as the key I3 after which the yoke i8 is placed on.

shown at H so that if the. head has been inserted the lower end of bolt 8 and-secured in place at edgewise into the opening 6, it can. subsequently its ends by the bolts 4. By now turning the. up-

What is claimed is:

1. The combination with a structure for h01ding a driving box, said structure including a 20 slot extending thereinto from its lower end, the

25 a longitudinal keyway and a. flat 30 of and within the opening in the Wedge, a key RICHARD .v. JOHNSON. 

